Support AppImage portable mode

[ragsaq]

Hi,

AppImage supports portable mode: https://docs.appimage.org/user-guide/portable-mode.html

When you have:

program.AppImage
program.AppImage.home

and run program, the settings that would go into %HOME are stored in program.AppImage.home

if I want to run an app without network access (firejail --net=none --noprofile --appimage program.AppImage), what do I need to pass to make it work as if I didn't use firejail (minus the network)?

Right now, settings are discarded on each run.

[rusty-snake]

I don't think that it is possible to support this for --appimage w/o rewriting firejail's AI code (which would be good but that an other topic). However you can use firejail's --private feature to get the same.

firejail --net=none [--other-args] --private=$PWD/too.AppImage.home --appimage too.AppImage

[ragsaq]

I tried that too, but settings aren't saved. The next time it starts, you get the default settings. only .bashrc persists.

i used: firejail --net=none --private=too.AppImage.home --appimage too.AppImage in the too.AppImage folder.

Isn't there a way to set the $HOME folder and persists whatever files get changed there?

[rusty-snake]

Isn't there a way to set the $HOME folder and persists whatever files get changed there?

That's what --private= does.

Can you

1. Try with an absolute path.
2. Join the sandbox to see where the settings got saved.

[ragsaq]

It didn't have to do with absolute paths. It turns out some .AppImage files don't work.

I tried with an AppImage of MKVToolNix successfully but it fails with:

https://github.com/horsicq/DIE-engine/releases/download/3.05/Detect_It_Easy-3.05-x86_64.AppImage